/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.todd.common.utils;

import cn.todd.common.function.FunctionUtils;
import org.apache.commons.io.FileUtils;

import java.io.File;
import java.util.Map;
import java.util.stream.Collectors;

/**
 *
 *  根据传递的HadoopConfDir,解析.xml文件内容
 *
 *   @author todd5167
 */
public class HadoopConfParseUtil {
    public static Map<String, String> getHadoopConf(String hadoopConfDir) {
        return FileUtils.listFiles(new File(hadoopConfDir), new String[]{"xml"}, false)
                .stream()
                .collect(Collectors
                        .toMap(File::getName, FunctionUtils.uncheckedFunction(FileUtils::readFileToString)));
    }

    public static void main(String[] args) {
        Map<String, String> hadoopConf = HadoopConfParseUtil.getHadoopConf("/Users/maqi/tmp/hadoopconf/dev40/hadoop");
        System.out.println(hadoopConf);
    }
}
